Indicated for 12 V systems, this circuit was obtained in a 90s Siliconix documentation. The components used are from the time and current equivalents can be tested.
This simple timer is from a 1998 publication. Other operational amplifiers can be used, and the...
August 2017 - Rectron's Schottky Barrier Diodes can now be obtained from Mouser Electronics. The...
This circuit limits the intensity of an audio signal from a control voltage. The circuit is from a...